* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #000000;
    --text-primary: #000000;
    --text-secondary: #737373;
    --text-tertiary: #a3a3a3;
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --border: #e5e5e5;
    --border-light: #f0f0f0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap targets for touch devices */
    button, a, .btn-primary, .btn-secondary {
        min-height: 44px;
        min-width: 44px;
    }
}

.container-wide {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.container-medium {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: 16px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
}

.logo-svg,
.logo-img {
    height: 32px;
    width: auto;
}

.logo-text,
.footer-logo {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.language-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    padding: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn.active {
    background: white;
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-text {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--bg-tertiary);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border-light);
    padding: 24px 16px;
    z-index: 999;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover {
    color: var(--text-secondary);
}

.btn-white {
    background: white;
    color: #000000;
    border: none;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.3px;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-white:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(255, 255, 255, 0.35);
    color: #000000;
}

/* Hero Section */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(to bottom, white 0%, var(--bg-secondary) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-ctas {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-trust {
    display: flex;
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.trust-item svg {
    width: 16px;
    height: 16px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    filter: grayscale(100%);
    margin: auto;
    display: block;
}

.visual-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bg-tertiary);
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.card-stats {
    margin-bottom: 24px;
}

.stat-item-large {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.stat-change {
    font-size: 14px;
    font-weight: 600;
}

.stat-change.positive {
    color: #16a34a;
}

.mini-chart {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    height: 120px;
}

.chart-bar {
    flex: 1;
    background: var(--bg-tertiary);
    border-radius: 4px 4px 0 0;
    transition: all 0.3s;
}

.chart-bar:hover {
    background: var(--primary);
}

/* Stats Bar */
.stats-bar {
    padding: 32px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.stats-bar-text {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
}

.stats-bar-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Big Numbers */
.big-numbers {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.numbers-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 0;
}

.number-item {
    text-align: center;
    padding: 0 40px;
}

.number-badge {
    margin-bottom: 20px;
    line-height: 1;
    color: var(--text-primary);
}

.number-badge svg {
    width: 32px;
    height: 32px;
}

.number {
    font-size: 64px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.number-label {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 500;
}

.number-divider {
    width: 1px;
    height: 80px;
    background: var(--border);
}

/* Features Grid */
.features-grid-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Integration Section */
.integration-section {
    padding: 120px 0;
}

.integration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.section-tag {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.code-preview,
.dashboard-preview {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.code-header,
.dashboard-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-secondary);
}

.code-dots,
.dashboard-dots {
    display: flex;
    gap: 6px;
}

.code-dots span,
.dashboard-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
}

.code-content {
    padding: 24px;
}

.code-content pre {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Dashboard Preview */
.dashboard-content {
    padding: 24px;
}

.dashboard-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.dashboard-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.stat-icon {
    line-height: 1;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.dashboard-graduation {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
}

.graduation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.graduation-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.graduation-count {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    background: white;
    padding: 4px 10px;
    border-radius: 100px;
}

.graduation-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.graduation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-primary);
}

.belt-indicator {
    width: 32px;
    height: 6px;
    border-radius: 3px;
    border: 1px solid var(--border);
}

.belt-indicator.white {
    background: #ffffff;
}

.belt-indicator.gray {
    background: #9ca3af;
}

.belt-indicator.blue {
    background: #3b82f6;
}

/* Solutions Section */
.solutions-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.solutions-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title-center {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1.5px;
    color: var(--text-primary);
}

.section-desc-center {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-top: 20px;
    text-align: center;
}

.section-title-center strong {
    font-weight: 800;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.solution-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s;
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.solution-icon {
    margin-bottom: 24px;
}

.solution-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.solution-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.solution-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.2s;
}

.solution-link:hover {
    gap: 8px;
}

/* Calculator Section */
.calculator-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.calculator-header {
    text-align: center;
    margin-bottom: 64px;
}

.calculator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1100px;
    margin: 0 auto;
}

.calculator-input-group {
    margin-bottom: 40px;
}

.calculator-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.calculator-label svg {
    color: var(--text-secondary);
}

.slider-value-display {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.calc-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: 12px;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: transform 0.2s;
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.calc-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    transition: transform 0.2s;
}

.calc-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.slider-range {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

.calculator-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-top: 32px;
}

.calculator-note svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--text-secondary);
}

.calculator-note span {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.calculator-result-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 120px;
}

.result-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 12px;
}

.result-value {
    font-size: 56px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 16px;
}

.result-detail {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-light);
}

.result-highlight {
    font-weight: 600;
    color: var(--text-primary);
}

.result-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 8px;
}

.result-stat {
    text-align: center;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: 12px;
}

.result-stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.result-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Dark CTA Section */
.dark-cta-section {
    padding: 120px 0;
    background: var(--primary);
    color: white;
}

.dark-cta-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.dark-cta-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
    color: white;
}

.dark-cta-title strong {
    font-weight: 800;
}

.dark-cta-desc {
    font-size: 16px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.dark-cta-stats {
    display: flex;
    gap: 48px;
}

.dark-stat-value {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 8px;
}

.dark-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.pricing-card-dark {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.pricing-card-dark:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    font-weight: 600;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.pricing-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 32px;
}

.currency {
    font-size: 24px;
    font-weight: 600;
}

.price {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -2px;
}

.period {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* Testimonials */
.testimonials-section {
    padding: 120px 0;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 80px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.testimonial-author {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial-author strong {
    font-size: 14px;
    font-weight: 600;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--text-secondary);
}

.testimonial-verified {
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* FAQ */
.faq-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.faq-list {
    margin-top: 64px;
}

.faq-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-icon {
    font-size: 24px;
    color: var(--text-secondary);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 20px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 0 28px 24px 28px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* Final CTA */
.final-cta {
    padding: 120px 0;
}

.final-cta-content {
    text-align: center;
}

.final-cta-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.final-cta-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.final-cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    margin-bottom: 64px;
}

.footer-tagline {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 24px;
}

.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--text-primary);
}

/* ========================================
   RESPONSIVE DESIGN - Mobile First
   ======================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container-wide {
        padding: 0 24px;
    }

    .container-medium {
        padding: 0 24px;
    }

    .hero-title {
        font-size: 52px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title-center {
        font-size: 44px;
    }

    .dark-cta-title {
        font-size: 44px;
    }
}

/* Mobile Large & Tablet (max-width: 968px) */
@media (max-width: 968px) {
    .header-content {
        justify-content: space-between;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-actions {
        gap: 12px;
    }

    .hero-content,
    .integration-content,
    .dark-cta-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .hero-ctas .btn-lg {
        width: 100%;
        justify-content: center;
    }

    .hero-trust {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .numbers-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .number-divider {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .calculator-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .calculator-result-card {
        position: static;
        padding: 32px 24px;
    }

    .dark-cta-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .dark-cta-title {
        font-size: 40px;
    }

    .dark-cta-title br {
        display: inline;
    }

    .dark-cta-stats {
        flex-direction: row;
        gap: 32px;
        flex-wrap: wrap;
    }

    .dark-stat {
        flex: 1;
        min-width: 200px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Mobile Medium (max-width: 640px) */
@media (max-width: 640px) {
    .container-wide {
        padding: 0 16px;
    }

    .container-medium {
        padding: 0 16px;
    }

    /* Header */
    .header {
        padding: 12px 0;
    }

    .logo-img {
        height: 28px;
    }

    .language-selector {
        gap: 4px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 13px;
    }

    .btn-text {
        display: none; /* Hide "Login" button on small mobile */
    }

    .btn-primary {
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
    }

    .hero-tag {
        font-size: 13px;
        padding: 6px 12px;
    }

    .hero-title {
        font-size: 36px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
    }

    .hero-ctas {
        gap: 12px;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }

    .hero-visual {
        padding: 16px;
    }

    .hero-image {
        max-width: 320px;
        filter: grayscale(100%);
    }

    .visual-card {
        padding: 16px;
    }

    /* Stats Bar */
    .stats-bar {
        padding: 24px 0;
    }

    .stats-bar-text {
        font-size: 15px;
        text-align: center;
    }

    /* Big Numbers */
    .big-numbers {
        padding: 60px 0;
    }

    .number {
        font-size: 56px;
    }

    .number-label {
        font-size: 15px;
    }

    /* Features */
    .features-grid-section {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-item {
        padding: 24px;
    }

    .feature-title {
        font-size: 18px;
    }

    .feature-desc {
        font-size: 15px;
    }

    /* Integration */
    .integration-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 36px;
    }

    .section-desc {
        font-size: 16px;
    }

    .dashboard-preview {
        padding: 16px;
    }

    .dashboard-content {
        padding: 16px;
    }

    /* Solutions */
    .solutions-section {
        padding: 60px 0;
    }

    .section-title-center {
        font-size: 36px;
        line-height: 1.1;
    }

    .solution-card {
        padding: 24px;
    }

    .solution-title {
        font-size: 20px;
    }

    .solution-desc {
        font-size: 15px;
    }

    /* Calculator */
    .calculator-section {
        padding: 60px 0;
    }

    .calculator-header {
        margin-bottom: 40px;
    }

    .calculator-header br {
        display: none;
    }

    .section-title-center {
        font-size: 28px;
        line-height: 1.2;
    }

    .section-desc-center {
        font-size: 15px;
        line-height: 1.6;
    }

    .section-desc-center br {
        display: none;
    }

    .calculator-content {
        gap: 32px;
    }

    .calculator-input-group {
        margin-bottom: 32px;
    }

    .calculator-label {
        font-size: 14px;
        gap: 8px;
    }

    .calculator-label svg {
        width: 18px;
        height: 18px;
    }

    .slider-value-display {
        font-size: 36px;
        margin-bottom: 12px;
        letter-spacing: -1px;
    }

    .calc-slider {
        height: 8px;
    }

    .calc-slider::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
    }

    .calc-slider::-moz-range-thumb {
        width: 28px;
        height: 28px;
    }

    .calculator-note {
        padding: 14px;
        gap: 10px;
        margin-top: 24px;
    }

    .calculator-note svg {
        width: 18px;
        height: 18px;
    }

    .calculator-note span {
        font-size: 13px;
        line-height: 1.5;
    }

    .calculator-result-card {
        padding: 32px 20px;
        border-radius: 16px;
    }

    .result-label {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .result-value {
        font-size: 48px;
        letter-spacing: -1.5px;
        margin-bottom: 12px;
    }

    .result-detail {
        font-size: 14px;
        margin-bottom: 24px;
        padding-bottom: 24px;
    }

    .result-stats {
        gap: 12px;
        margin-bottom: 8px;
    }

    .result-stat {
        padding: 16px 12px;
    }

    .result-stat-value {
        font-size: 28px;
        letter-spacing: -0.5px;
    }

    .result-stat-label {
        font-size: 11px;
    }

    .calculator-result-card .btn-lg {
        padding: 16px 24px;
        font-size: 15px;
        margin-top: 20px !important;
    }

    /* Pricing */
    .dark-cta-section {
        padding: 60px 0;
    }

    .dark-cta-content {
        gap: 40px;
    }

    .dark-cta-title {
        font-size: 32px;
        line-height: 1.2;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }

    .dark-cta-title br {
        display: none;
    }

    .dark-cta-desc {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: 32px;
    }

    .dark-cta-stats {
        flex-direction: column;
        gap: 20px;
    }

    .dark-stat {
        text-align: center;
        padding: 24px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .dark-stat-value {
        font-size: 40px;
        letter-spacing: -1.5px;
        margin-bottom: 6px;
    }

    .dark-stat-label {
        font-size: 13px;
    }

    .pricing-card-dark {
        padding: 32px 24px;
        border-radius: 20px;
    }

    .pricing-header {
        margin-bottom: 20px;
    }

    .pricing-label {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .pricing-title {
        font-size: 22px;
    }

    .pricing-value {
        margin-bottom: 28px;
        justify-content: center;
    }

    .currency {
        font-size: 20px;
    }

    .price {
        font-size: 52px;
        letter-spacing: -1.5px;
    }

    .period {
        font-size: 16px;
    }

    .pricing-features {
        margin-bottom: 28px;
    }

    .pricing-features li {
        padding: 14px 0;
        font-size: 14px;
        text-align: left;
    }

    .btn-white {
        width: 100%;
        padding: 16px 24px;
        font-size: 15px;
        text-align: center;
    }

    /* Philosophy/Testimonials */
    .testimonials-section {
        padding: 60px 0;
    }

    .testimonial-card {
        padding: 24px;
    }

    .testimonial-text {
        font-size: 15px;
    }

    /* FAQ */
    .faq-section {
        padding: 60px 0 80px;
    }

    .faq-list {
        margin-top: 48px;
    }

    .faq-item {
        margin-bottom: 10px;
        border-radius: 10px;
    }

    .faq-question {
        padding: 18px 16px;
        font-size: 15px;
        line-height: 1.4;
        gap: 12px;
    }

    .faq-question span:first-child {
        flex: 1;
        padding-right: 8px;
    }

    .faq-icon {
        font-size: 20px;
        margin-left: 0;
        flex-shrink: 0;
        width: 24px;
        text-align: center;
    }

    .faq-answer {
        max-height: 0;
        transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    }

    .faq-answer p {
        padding: 0 16px 18px 16px;
        font-size: 14px;
        line-height: 1.6;
    }

    .faq-item.active .faq-answer {
        max-height: 1000px;
    }

    /* Footer */
    .footer {
        padding: 60px 0 32px;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-tagline {
        font-size: 15px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-column h4 {
        font-size: 14px;
    }

    .footer-column a {
        font-size: 14px;
    }

    .footer-copyright {
        font-size: 13px;
    }

    .footer-social a {
        font-size: 13px;
    }
}

/* Mobile Small (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title-center,
    .dark-cta-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 32px;
    }

    .number {
        font-size: 48px;
    }

    .result-value {
        font-size: 40px;
    }

    .slider-value-display {
        font-size: 32px;
    }

    .calculator-result-card {
        padding: 28px 16px;
    }

    .result-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .result-stat {
        padding: 16px;
    }

    .result-stat-value {
        font-size: 32px;
    }

    .calc-slider::-webkit-slider-thumb {
        width: 32px;
        height: 32px;
    }

    .calc-slider::-moz-range-thumb {
        width: 32px;
        height: 32px;
    }

    .dark-cta-title {
        font-size: 28px;
    }

    .dark-stat-value {
        font-size: 36px;
    }

    .price {
        font-size: 48px;
    }

    .pricing-card-dark {
        padding: 28px 20px;
    }

    .faq-question {
        padding: 16px 14px;
        font-size: 14px;
    }

    .faq-answer p {
        padding: 0 14px 16px 14px;
        font-size: 13px;
    }

    .faq-icon {
        font-size: 18px;
    }

    .btn-primary {
        padding: 12px 20px;
        font-size: 14px;
    }

    .header-actions .btn-primary {
        padding: 8px 14px;
        font-size: 13px;
    }

    .language-selector {
        gap: 2px;
    }

    .lang-btn {
        padding: 5px 10px;
        font-size: 12px;
    }
}

/* Landscape Mobile Fixes */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        padding: 100px 0 40px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 15px;
    }
}

/* High Resolution Displays */
@media (min-width: 1440px) {
    .container-wide {
        max-width: 1440px;
        padding: 0 48px;
    }

    .hero-title {
        font-size: 72px;
    }

    .section-title-center,
    .dark-cta-title {
        font-size: 64px;
    }
}

/* LGPD Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #171717; /* Dark background */
    color: white;
    padding: 16px;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

.cookie-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cookie-content p {
    font-size: 14px;
    color: #a3a3a3;
    line-height: 1.5;
}

.cookie-content .btn-primary {
    white-space: nowrap;
    background: var(--theme-color, #6366f1);
    color: white;
    border: none;
    padding: 10px 24px;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 0 16px;
        text-align: center;
    }
}